body{
    background-image: url(../img/fondo.png); 
}
#centrar{
    position: absolute;
    top: 50%;
    left: 60%;
    margin-top: -210px;
    margin-left: -320px;   
}

.ui-icon.llave{
    background-image: url(../img/login.png);
    margin-right: 4px;       
}

.ui-icon.inicio{
    background-image: url(../img/inicio.png);
    margin-right: 4px;       
}
.ui-icon.inicio{
    background-image: url(../img/inicio.png);
    margin-right: 6px;       
}

.ui-icon.mante{
    background-image: url(../img/mant.png);
    margin-right: 6px;       
}

.ui-icon.report{
    background-image: url(../img/report.png);
    margin-right: 6px;       
}

.ui-icon.conf{
    background-image: url(../img/conf.png);
    margin-right: 6px;       
}

.ui-icon.contra{
    background-image: url(../img/contra.png);
    margin-right: 6px;       
}

.ui-icon.salir{
    background-image: url(../img/salir.png);
    margin-right: 6px;       
}

.ui-icon.subconf{
    background-image: url(../img/conf_sub.png);
    margin-right: 6px;       
}

.ui-icon.agregar{
    background-image: url(../img/agregar.png);
    margin-right: 6px;       
}
.ui-icon.editar{
    background-image: url(../img/editar.png);
    margin-right: 6px;       
}
.ui-icon.eliminar{
    background-image: url(../img/eliminar.png);
    margin-right: 6px;       
}

.ui-icon.pdf{
    background-image: url(../img/pdf.png);
    margin-right: 6px;       
}

.ui-icon.xls{
    background-image: url(../img/csv.png);
    margin-right: 6px;       
}
